#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>

#define NUM 103
#define Body '='
#define Head '>'

typedef void (*callback_t)(double);

//version 1
void process();

//version 2
void process_flush_a(double rate);

//version 3
void process_flush_b(double rate);
